First of all, the author who give code away for free have no obligation what so ever to find out where people might complain about bugs to the authors software.
Second, if the thousands of perl users have time to hang out on perlmonks and bitch about code they didn't write, but apparently don't have the time to scroll to the bottom of the manual page to find out where to report bugs, or learn the authors email address, well, I won't feel any pity for them.
And I know that the mentioned email address has been used by Schwern longer than Perlmonks exist.